Applied Microbiology and Biotechnology

, Volume 27, Issue 1, pp 6–10 | Cite as

Bioconversion of citronellol by Botrytis cinerea

  • P. Brunerie
  • I. Benda
  • G. Bock
  • P. Schreier


Bioconversion of citronellol 1 was studied with four strains of Botrytis cinerea. Using grape must predominant transformation of 1 to 2,6-dimethyl-1,8-octandiol 2 and (E)-2,6-dimethyl-2-octen-1,8-diol 3 was observed. In minor amounts 2,6-dimethyl-2,8-octandiol 4, two p-menthan-3,8-diol isomers 5a, 5b, (Z)-2,6-dimethyl-2-octen-1,8-diol 6, isopulegol 7, 2-methyl-2-hepten-6-one-1-ol 8 and 2-methyl-γ-butyrolactone 9 were found. Using a small amount of grape must in a synthetic medium (1:700) the bioconversion products 2, 4, 5a and 5b were absent, but additionally 2-methyl-2-hepten-6-one 10, 2-methyl-2-hepten-6-ol 11 and citronellic acid 12 were detected. The results obtained were strongly dependent on the strains used; one strain did not show any metabolic activity against 1. The bioconversion products were identified by capillary gas chromatography (HRGC) and coupled HRGC techniques, i.e. on-line — mass spectrometry (HRGC-MS) and — Fourier transform infrared spectroscopy (HRGC-FTIR).


Mass Spectrometry Fourier Transform Fourier Transform Infrared Spectroscopy Infrared Spectroscopy Metabolic Activity 
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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • P. Brunerie
    • 1
  • I. Benda
    • 2
  • G. Bock
    • 3
  • P. Schreier
    • 3
  1. 1.Pernod RicardCentre de RechercheCréteilFrance
  2. 2.Baverische Landesanstalt für Weinbau und GartenbauWürzburgGermany
  3. 3.Lehrstuhl für LebensmittelchemieUniversität WürzburgWürzburgGermany

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